How long does it take to replace a transmission?

Sure, here are the labor charges for removing and replacing the transmission, take note, that there are additional services that need to be done which are included in the list below. Apply the shops labor rate to each:

To Flush Cooler Lines, Add 0.6 hrs@
To Oil Pressure Test, Add 0.8 hrs@
To R&R Driveplate, Add 0.2 hrs@
To R&R Torque Converter, Add 0.2 hrs@
With A.I.R. Pump, Add 0.1 hrs@
Complete Assembly Without Transfer of Parts 9.2 hrs@

Please let me know if you need anything else.